code: def test_input_binary_all_right():
      y_target = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      y_model1 = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      y_model2 = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      tb = mcnemar_tables(y_target, y_model1, y_model2)
      expect = np.array([[8, 0], [0, 0]])
  
      assert len(tb) == 1
      np.testing.assert_array_equal(tb["model_0 vs model_1"], expect)
  
file_path: mlxtend/mlxtend/evaluate/tests/test_mcnemar_tables.py
imports: import numpy
  from mlxtend.evaluate import mcnemar_tables
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 5 for calling a global function with example usage: test_input_binary_all_right() without return types